A bicycle tire has a volume of 1. 0 L at 22°C. If the temperature of the tire is increased to 52°C, what is the resulting volume of the tire? Type in your answer using the correct number of significant figures. Use the formula for Charles' Law: V1 T1 = V2 T2 L.

The coefficients which correctly balance the formula for the equation of reaction of NH₄ and NO₂ is 1,1,1,2.

This is the type of reaction in which the atoms of the elements of the reactants equal that of the product.

The balanced reaction is seen below where 2 was added to H₂O so as to balance the atoms of oxygen on both sides.

NH₄ + NO₂ (s) ⇒ N₂ (g)+2H₂O(l)

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For ksp of silver sulfate (ag2so4) at 1. 2 ✕ 10-5, the solubility of silver sulfate is mathematically given as

x = 5.26*10^{-4}

Generally, the equation for the  Chemical reaction is mathematically given as

Ag2SO4 ⇄ 2Ag+  + SO4 2-

Therefore

Ksp = [Ag+ ]2 *[SO4 2-]

1.2*10-5 = ( 0.15 +2x)2*(x)

x = 5.26*10^{-4}

In conclusion, the solubility of silver sulfate is

x = 5.26*10^{-4}

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If the ksp of silver sulfate (ag2so4) at 1.2 × 10⁻⁵, the solubility of silver sulfate is  5.26 × 10⁽⁻⁴⁾.

ksp value determines the equilibrium between the solids and its respective ions in a solution.

The reaction is [tex]\rm Ag_2SO_4 \leftrightharpoons 2Ag+ + SO_4^2-[/tex]

The ksp pf silver sulfate is  1.2 × 10⁻⁵

Tho calculate the solubility?

Putting the values in the equation

[tex]\rm Ksp = [Ag^+ ]^2 \times [SO_4^ 2^-]\\\\1.2\times 10^-^5 = ( 0.15 +2x)2\times (x)\\x = 5.26\times 10^{-4}[/tex]

Thus, the solubility of silver sulfate is  5.26 × 10⁽⁻⁴⁾.

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From the calculations performed, the Kb of the reaction is 9.9 * 10^-10

The term Kb refers to the base dissociation constant of a solution. We have the following information from the question;

pH of the solution = 8.60

concentration of p-toluidine =  0.016-M

Recall that  pOH = 14 - pH

pOH = 14 - 8.60 = 5.4

[OH] = Antilog (-5.4) = 3.98 * 10^-6 M

We have to set up the ICE table;

          CH3C6H4NH2(aq) + H2O(l) ⇄ CH3C6H4NH3^+(aq) + OH^-(aq)

I             0.016                                           0                                   0

C           -x                                                   +x                                  +x

E    0.016  - x                                            3.98 * 10^-6                3.98 * 10^-6

Hence;

Kb = [3.98 * 10^-6]^2/[0.016  - 3.98 * 10^-6]

Kb =  9.9 * 10^-10

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6 important factors that affect evaporation are : 1. Wind assists evaporation; for example in clothes dry faster under a fan. 2. Heat assists evaporation; for example, in summer clothes dry faster than in winter.

Now have a free meme

Answer and explanation:

(c)

A represents the activation energy (the minimum amount of energy needed to start a reaction).

B represents the overall change in energy (the difference between the energy of the reactants and products).

(d)

The reaction profile diagram shows that the reaction is exothermic because the energy change is negative (the products have less energy than the reactants) which shows that energy is lost or given out to the surroundings.

(e)

HCl gas doesn't conduct electricity, but hydrochloric acid does because in HCl, there are hydrogen ions that are free to move so they can carry a charge.

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A production of 17.5 × 10⁹ tonnes of carbon will be added to the atmosphere over the course of five years.

In accordance with the principle of mass conservation, mass is not created nor destroyed, just transformed as we infer from statement.

The total carbon generation due to human activities is the sum of the effects derived from the combustion of fossil fuels and the deforestation, whose total over the course of five years is:

[tex]x = (5\,years)\cdot \left(6\times 10^{9}\,\frac{t}{yr} + 2\times 10^{9}\,\frac{t}{yr} \right)[/tex]

[tex]x = 35\times 10^{9}\,t[/tex]

And the part of this production that will remain in the atmosphere during its residence time is:

[tex]x' = 0.5\cdot x[/tex]

[tex]x' = 17.5\times 10^{9}\,t[/tex]

A production of 17.5 × 10⁹ tonnes of carbon will be added to the atmosphere over the course of five years. [tex]\blacksquare[/tex]

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When the atmospheric pressure is equal to the vapor pressure of the liquid, boiling of liquid will begin.

When the atmospheric pressure is equal to the vapor pressure of the liquid, boiling will begin. The bubbles formation started to the liquid molecules which have gained enough energy to change to the gaseous phase.

The vapor pressure of ethanol is 5.95 kPa at 20.0 °C, and its vapor pressure is 53.3 kPa at 63.5 °C.

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The pH of a solution of H₂SO₄ that has [H₃O⁺] is 5.45 × 10⁻⁵ M, is 4.26.

pH is define as the negative logarithm of the concentration of H⁺ or H₃O⁺ ions, and it is represented as:

pH = -log[H⁺]

Concentration of H₃O⁺ in H₂SO₄ solution = 5.45 × 10⁻⁵ M

pH of H₂SO₄ solution will be calculated as:

pH = -log(5.45 × 10⁻⁵)

pH = -(-4.26)

pH = 4.26

Hence required pH is 4.26.

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Answer:

4.26 is the answer

Explanation:

edge 2022

The hydrogen of 1-chloropent-2-ene shows the largest chemical shift is  C2 or C3 because they are more de-shielded than they have the largest chemical shift value.

Generally, There is the biggest chemical shift at C2 or C3 due to the fact they are connected through the pi- bond and range is about 4.5 - 6 ppm and C1 has a range of about 3.5 due to Cl- ion.

In conclusion,  C2 or C3 is more de-shielded than they have the largest chemical shift value.

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1)

methyl

CH3 (mol)

CH3- (struc)

2)

ethyl

C2H5

CH3-CH2-

3)

propyl

C3H7

CH3-CH2-CH2-

4)

butyl

C4H9

CH3-CH2-CH2-CH2-

5)

pentyl

C5H11

CH3-CH2-CH2-CH2-CH2-

6)

hexyl

C6H13

CH3-CH2-CH2-CH2-CH2-CH2-

7)

heptyl

C7H15

CH3-CH2-CH2-CH2-CH2-CH2-CH2-

8)

octyl

C8H17

i will stop writing the condensed formula ust add another CH2

9)

nonyl

C9H19

10)

decyl

C10H21

11)

Undecyl

C11H23

12)

dodecyl

C12H25

Answer:

A. acidic

Explanation:

The pH of a 0.50M solution of malic acid with ka1 = 4. 0 × 10-⁴ and ka2 = 6. 3 × 10-⁶ as described is; 1.85.

Since, in a polyprotic acid the first hydrogen will dissociate faster than the others, If the Ka values differ by a factor of 10-³ or more, it is possible to approximately calculate the pH by using only the Ka of the first hydrogen ion.

However, the situation is different in this scenario.

On this note, the solution is as in the attached image.

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The pH of a 0.50 m solution of malic acid is 1.85.

pH is potential hydrogen. It is the measurement of the acidity and basicity of any solution.

The ka1 = 4. 0 × 10⁻⁴

The  ka2 = 6. 3 × 10⁻⁶

The solution is 0.50 m.

First calculate the ka value

[tex]ka = \dfrac{x^2}{0.50} \\\\x^2 = 0.50 \times 4 \times 10^-^4\\\\x^2 = 2 \times 10^-^4\\x^2 = \sqrt{2 \times 10^-^4} \\\\ x = [H^+] = 1.41 \times 10^-^2[/tex]

Now, calculate the pH

[tex]pH = -log [H^+]\\\\pH = -log[ 1.41 \times 10^-2]\\\\pH = 1.85[/tex]

Thus, the pH of a 0.50 m solution of malic acid is 1.85.

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The correct location of the given object on represents continental drift or seafloor spreading.

The scientist Alfred Wegener is most closely connected with the concept of continental drift. Wegener wrote a paper outlining his notion that the continents were “drifting” across the Earth, occasionally crashing through oceans and into one another, in the early 20th century.

The seafloor spreading is the increase of seawater covering the land area. The spreading of seawater is decreasing the land area.

Thus, the correct location is:

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Answer:A single-replacement reaction is a chemical reaction in which one element replaces another in a compound. F₂ + 2NaCl → 2NaF + Cl₂, where F replaces Cl in NaCl. A double-replacement reaction is a reaction in which the metals in two ionic compounds exchange partners.

Answer:Potassium metal reacts very rapidly with water to form a colourless solution of potassium hydroxide (KOH) and hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic.

Explanation:

Answer:

b atoms

Explanation:

everything is made up of atoms

For the ionization constant for acetic acid is 1.8 x 10-5; that for hydrocyanic acid is 4 x 10-10, The solution is basic due to the generation of OH– ions.

ionization constant is simply defined as a constant that relies on the equilibrium that exists b/w ions and molecules of solution.

Generally, the equation for the Chemical reaction  is mathematically given as

CH3C.O .O + H2_O ----> CH3COOH + O.H

Therefore

the anion C...N–  receives H+ ion from water as it goes through hydrolysis.

Hence

xN– + H2..O ----><---- HxN + O..H–

In conclusion, The solution is basic due to the generation of OH– ions.

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The atoms of hydrogen in the products is 2.4 * 10^21  atoms of hydrogen

The term decomposition has to do with a type of reaction in which a substance is broken down into into its components.

The decomposition of ammonium chloride occurs as follows;

NH4Cl → NH3 + HCl

If 6.02 * 10^23 hydrogen atoms are present in  6.02 * 10^23  molecules

x hydrogen atoms are present in 2.4 * 10^21 molecules

x = 2.4 * 10^21  atoms of hydrogen

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Answer: The liquid oxygen machine is producing less liquid oxygen than normal because there's a low attraction between the molecules.

It should be noted that oxygen in its liquid state will take up less space. It can also be stored at a lower pressure than when it's in its gaseous state.

Explanation:

From the complete question, the liquid oxygen evaporates at a slightly higher The reason for this is due to the fact that they have similarly low attraction between molecules.

Since an acidic salt solution is produced when a strong acid neutralizes a weak base, the pH of the salt solution formed when HCl is added to R2NH will be less than 7.

A neutralization reaction is the react ion between an acid and a base to form salt and water only.

Neutralization reactions can either produce a neutral solution, an acidic solution or an alkaline solution at equivalence point.

When a strong acid is added to a weak base, the pH of the salt solution formed will be less than 7.

Therefore, the pH of the salt solution formed when HCl is added to R2NH will be less than 7.

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Answer:

You can use a PH tester do identify the PH of each solution.  Depending on what solutions ur testing, u shouldn't mix them as for there could be either a minor or bad chemical reaction

Explanation:

The chemical elements and compounds that are present in a grocery item such as mayonnaise include:

A product label can be defined as a paper document which contains information about the nutrients, chemical elements, and other compounds that are present in a product such as a battery, food or an edible material.

This ultimately implies that, a product label is a paper document which is used by manufactures to specify the nutrients, chemical elements, and other compounds that were used to make a particular product.

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Answer:

acidic,non polar,basic

Explanation:

that’s the ones I put and I got a 100% on my test just now

The types of R groups that can exist in amino acids include acidic, non-polar, basic, and polar groups.

1. Acidic R groups: These groups have a negative charge and can donate a proton (H+). An example of an amino acid with an acidic R group is aspartic acid (Asp) or glutamic acid (Glu).

2. Non-polar R groups: These groups are hydrophobic and do not have a charge. They are composed mainly of carbon and hydrogen atoms. Examples of amino acids with non-polar R groups include alanine (Ala), valine (Val), and phenylalanine (Phe).

3. Basic R groups: These groups have a positive charge and can accept a proton. An example of an amino acid with a basic R group is lysine (Lys) or arginine (Arg).

4. Polar R groups: These groups are hydrophilic and have a partial charge. They can form hydrogen bonds with other polar molecules. Examples of amino acids with polar R groups include serine (Ser), threonine (Thr), and asparagine (Asn).

Thus, types of R groups that can exist in amino acids include acidic, non-polar, basic, and polar groups.

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Answer:

The aspirin is more soluble in ethanol than water - the water helps the crystals separate from solution.

Explanation:

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Answer:

The closest noble gas to silicon is Neon (Ne)

Explanation:

Electron configuration is the distribution of the electrons in atomic and molecular orbitals. The electron configuration of silicon is [Ne] 3s² 3p².

An electron configuration is the allocation of the sub-atomic particle, an electron in the orbits of the atom or the molecules. It represents the distribution of electrons around the nucleus.

The general electron configuration of silicon with atomic number 14 is [tex]\rm 1s^{2}2s^{2}2p^{6}3s^{2}3p^{2}.[/tex] The noble gas closest to silicon is neon and can be written as, [tex]\rm [Ne] 3s^{2}3p^{2}.[/tex]

Therefore, the electron configuration of silicon is [tex]\rm [Ne] 3s^{2}3p^{2}.[/tex]

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Considering the Dalton's partial pressure, the partial pressure of CO₂ is 2.465 atm and the partial pressure of H₂O is 0.035 atm.

The pressure exerted by a particular gas in a mixture is known as its partial pressure.

So, Dalton's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas would exert if it were alone:

[tex]P_{T} =P_{1} +P_{2} +...+P_{n}[/tex]

where n is the amount of gases in the mixture.

Dalton's partial pressure law can also be expressed in terms of the mole fraction of the gas in the mixture. The mole fraction is a dimensionless quantity that expresses the ratio of the number of moles of a component to the number of moles of all the components present.

So in a mixture of two or more gases, the partial pressure of gas A can be expressed as:

[tex]P_{A} =x_{A} P_{T}[/tex]

In this case, you know:

Then:

Replacing in the Dalton's law:

[tex]P_{CO_{2} } =x_{CO_{2}} P_{T}[/tex]

[tex]P_{CO_{2} } =[/tex] 0.986× 2.50 atm

[tex]P_{CO_{2} } =[/tex] 2.465 atm

[tex]P_{H_{2}O } =x_{H_{2}O} P_{T}[/tex]

[tex]P_{H_{2}O } =[/tex] 0.014× 2.50 atm

[tex]P_{H_{2}O } =[/tex] 0.035 atm

Finally, the partial pressure of CO₂ is 2.465 atm and the partial pressure of H₂O is 0.035 atm.

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Answer:

The reaction between zinc sulphide and oxygen gives zinc oxide and sulfur dioxide. The chemical equation of the reaction is: 2ZnS + 3O2 → 2ZnO + 2SO2 2 moles of ZnS react with 3 moles of O2 to form 2 moles of ZnO and 2 moles of SO2

Explanation:

Answer:

a grassy meadow

Explanation:

goo

duh

Answer:

The links are: the number of circles in the electronic configuration of an element is represented in the periodic table as the period number that element is situated in. the number of electrons in the outermost shell of an element is represented in the periodic table as the group number that element is situated in.

Explanation:

Answer:

D.) 4

Explanation:

Al + 3 O₂ --> 2 Al₂O₃

In the equation, there are:

Reactants: 1 Al and 6 O

Products: 4 Al and 6 O

To determine how many atoms there are of each, you multiply the coefficients by the subscripts attached to the atoms. While the question doesn't ask, as you can see, the oxygen atoms are balanced because there is an equal amount on both sides. To balance the aluminum atoms, you can get 4 aluminum atoms on the reactants side by using a coefficient of 4.

The new equation would look this this:

4 Al + 3 O₂ --> 2 Al₂O₃

There are now:

Reactants: 4 Al and 6 O

Products: 4 Al and 6 O